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authorSuren A. Chilingaryan <csa@dside.dyndns.org>2011-12-09 15:02:43 +0100
committerSuren A. Chilingaryan <csa@dside.dyndns.org>2011-12-09 15:02:43 +0100
commit3831db7044118ee948d7203421628628c2c7dc76 (patch)
treefbfa146004910f9ef8bac268f7dfd18d864c218d /src
parent03e18760a68cadaae307c72ed756973047db3ea2 (diff)
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Support new footer
Diffstat (limited to 'src')
-rw-r--r--src/ufodecode.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/src/ufodecode.c b/src/ufodecode.c
index d65ad32..a2d9ae7 100644
--- a/src/ufodecode.c
+++ b/src/ufodecode.c
@@ -1,4 +1,3 @@
-
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -112,24 +111,19 @@ static int ufo_decode_frame(ufo_decoder decoder, uint16_t *pixel_buffer, uint16_
uint32_t result[4] __attribute__ ((aligned (16))) = {0};
#endif
- if (cpi * channel_size > num_words)
+ if (cpi * channel_size > num_words) {
+#ifdef DEBUG
+ fprintf(stderr, "Not enough data to decode frame, expected %lu bytes, but received %lu\n", cpi * channel_size * sizeof(uint32_t), num_words * sizeof(uint32_t));
+#endif
return EILSEQ;
-
+ }
+
for (c = 0; c < cpi; c++) {
info = raw[0];
row = (info >> 4) & 0x7FF;
channel = info & 0x0F;
pixels = (info >> 20) & 0xFF;
- if ((row > num_rows)||(channel > cpl)||(pixels>IPECAMERA_PIXELS_PER_CHANNEL))
- return EILSEQ;
-
- if (cmask) cmask[row] |= (1<<channel);
-
- channel = channel_order[channel];
-
- int base = row * IPECAMERA_WIDTH + channel * IPECAMERA_PIXELS_PER_CHANNEL;
-
#ifdef DEBUG
int err = 0;
int header = (info >> 30) & 0x03; // 2 bits
@@ -139,6 +133,16 @@ static int ufo_decode_frame(ufo_decoder decoder, uint16_t *pixel_buffer, uint16_
CHECK_FLAG("channel, limited by %i output channels", channel < IPECAMERA_NUM_CHANNELS, channel, IPECAMERA_NUM_CHANNELS);
#endif
+
+ if ((row > num_rows)||(channel > cpl)||(pixels>IPECAMERA_PIXELS_PER_CHANNEL))
+ return EILSEQ;
+
+ if (cmask) cmask[row] |= (1<<channel);
+
+ channel = channel_order[channel];
+
+ int base = row * IPECAMERA_WIDTH + channel * IPECAMERA_PIXELS_PER_CHANNEL;
+
/* "Correct" missing pixel */
if ((row < 2) && (pixels == (IPECAMERA_PIXELS_PER_CHANNEL - 1))) {
pixel_buffer[base] = 0;
@@ -340,9 +344,15 @@ int ufo_decoder_get_next_frame(ufo_decoder decoder, uint16_t **pixels, uint32_t
#ifdef DEBUG
CHECK_VALUE(raw[pos++], 0x0AAAAAAA);
CHECK_VALUE(raw[pos++], 0x0BBBBBBB);
+ // Statuses of previous! frame is following
+ pos++; // status1 0x840dffff is expected
+ pos++; // status2 0x0f001001 is expected
+ pos++; // status3 0x28000111 explains problems if status2 is wrong
+/*
CHECK_VALUE(raw[pos++], 0x0CCCCCCC);
CHECK_VALUE(raw[pos++], 0x0DDDDDDD);
CHECK_VALUE(raw[pos++], 0x0EEEEEEE);
+*/
CHECK_VALUE(raw[pos++], 0x0FFFFFFF);
CHECK_VALUE(raw[pos++], 0x00000000);
CHECK_VALUE(raw[pos++], 0x01111111);